Table 2 Characteristics of patients with laboratory-confirmed pertussis, M. pneumoniae , C. pneumoniae , viruses and mixed-pertussis infection with other pathogens
From: Diagnostic value of symptoms and laboratory data for pertussis in adolescent and adult patients
Characteristics | Pertussis | M. pneumoniae | C. pneumoniae | Viruses | Mixed-pertussis infection* |
|---|---|---|---|---|---|
Number | 183 | 105 | 93 | 52 | 10 |
Age mean (range), years | 39.1 (16–77) | 35.2 (16–46) | 36.4 (18–52) | 39.4 (24–76) | 39.7 (27–65) |
Male : Female | 73 : 110 | 49 : 56 | 45 : 48 | 25 : 27 | 5 : 5 |
Symptom** | |||||
Paroxysmal cough | 165 (90.1) | 89 (84.7) | 68 (73.1)*** | 24 (46.1)*** | 100 (100.0) |
Awakened by cough | 133 (72.6) | 84 (80.0) | 66 (70.9) | 29 (55.7)*** | 9 (90.0) |
Sputum production | 67 (36.6) | 40 (38.0) | 30 (32.2) | 17 (32.6) | 5 (50.0) |
Chest pain | 66 (36.0) | 38 (36.1) | 25 (26.8) | 12 (23.0) | 3 (30.0) |
Dyspnea | 56 (30.6) | 30 (28.5) | 21 (22.5) | 6 (11.5)*** | 4 (40.0) |
Posttussive vomiting | 46 (25.1) | 20 (19.0) | 15 (16.1) | 0 *** | 2 (20.0) |
Posttussive gagging | 90 (49.1) | 32 (30.4)*** | 22 (23.6)*** | 6 (11.5)*** | 6 (60.0) |
Inspiratory whoop | 36 (19.6) | 11 (10.4)*** | 10 (10.7)*** | 0*** | 1 (10.0) |
History of fever (≥37.0°C) | 27 (14.7) | 35 (33.3)*** | 8 (8.6) | 19 (36.5)*** | 50 (50.0)*** |
Upper respiratory tract infection symptoms before cough | 83 (45.3) | 55 (52.3) | 37 (39.7) | 45 (86.5)*** | 8 (80.0)*** |
Exposed to cough by family member or work/school colleague** | 97 (53.0) | 49 (46.6) | 40 (43.0) | 26 (50.0) | 60 (60.0) |
Hospitalization** | 1 (0.5) | 1 (0.9) | 0 | 0 | 1 (10.0) |
Laboratory data | |||||
WBC mean number ± SD, /mm3 | 6,619 ± 2,815 | 6,249 ± 2,731 | 6,972 ± 2,618 | 6,314 ± 2,765 | 6,898 ± 2,265 |
Lymphocyte mean number ± SD, /mm3 | 2,043 ± 892 | 1,986 ± 878 | 2,361 ± 958 | 2,419 ± 954 | 2,133 ± 854 |